Highest Daily Low Temperatures in Sioux Lookout History

This is a list of the hottest daily low temperatures ever recorded in Sioux Lookout, Ontario history from 1914–2024 based on data from the NOAA.

Highest temperatures all-time

Record for the highest daily low temperature in Sioux Lookout

The highest low temperature for a calendar day in Sioux Lookout, Ontario history was 24.4 °C which happened on Thursday, July 17, 1975.

Rank	Temperature	Date
1	24.4 °C	July 17, 1975
2	23.5 °C	July 7, 1981
3	23.1 °C	August 5, 2001
4	22.9 °C	June 18, 1995
5	22.8 °C	July 16, 1975
5	22.8 °C	August 23, 1947
5	22.8 °C	July 11, 1936
5	22.8 °C	July 10, 1921
9	22.6 °C	July 10, 2005
10	22.4 °C	July 25, 2007
11	22.2 °C	July 29, 1959
11	22.2 °C	July 3, 1921
13	22.0 °C	July 25, 1989
14	21.9 °C	July 12, 2012
15	21.8 °C	June 30, 2002
15	21.8 °C	June 22, 1995
17	21.7 °C	July 4, 1988
17	21.7 °C	July 30, 1975
17	21.7 °C	August 9, 1949
17	21.7 °C	August 8, 1949
17	21.7 °C	July 12, 1936
17	21.7 °C	July 8, 1936
17	21.7 °C	August 15, 1935
17	21.7 °C	July 1, 1921
17	21.7 °C	June 30, 1921
17	21.7 °C	August 5, 1914